19508288

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 56

約数和(自身を含む): 41574720

約数和(自身を除く): 22066432

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 61, 64, 76, 122, 152, 244, 263, 304, 488, 526, 608, 976, 1052, 1159, 1216, 1952, 2104, 2318, 3904, 4208, 4636, 4997, 8416, 9272, 9994, 16043, 16832, 18544, 19988, 32086, 37088, 39976, 64172, 74176, 79952, 128344, 159904, 256688, 304817, 319808, 513376, 609634, 1026752, 1219268, 2438536, 4877072, 9754144, 19508288]

約数ペア:

[(1, 19508288), (2, 9754144), (4, 4877072), (8, 2438536), (16, 1219268), (19, 1026752), (32, 609634), (38, 513376), (61, 319808), (64, 304817), (76, 256688), (122, 159904), (152, 128344), (244, 79952), (263, 74176), (304, 64172), (488, 39976), (526, 37088), (608, 32086), (976, 19988), (1052, 18544), (1159, 16832), (1216, 16043), (1952, 9994), (2104, 9272), (2318, 8416), (3904, 4997), (4208, 4636)]